INVESTIGATION OF THE POTENTIALITY OF DUAL PURPOSE MAIZE
GAURI MOHAN*, KHOGEN KURMI, KUMUDESWAR THAKURIA, KAJODMAL GHASAL AND CHAYANIKA BORAH
Department of Agronomy,
Assam Agricultural University,
Jorhat (Assam), India
*(e-mail : gaurimohan123@gmail.com)
(Received: 19 May 2019; Accepted: 16 June 2019)
SUMMARY
The present study was under taken to find out the potentiality of maize for dual purpose to enhance the food–fodder production under different plant population. The experiment was laid out in
factorial RBD and replicated thrice. The treatment consisted of eight crop management practices viz., Grain crop at 60 cm x 30cm (T1), Fodder crop at 30 cm x15 cm (T2), Fodder cum grain crop at 30 cm x 30 cm with removal of alternate rows at knee-high stage for fodder (T3), Fodder cum grain crop at 30 cm x 30 cm with removal of alternate rows at tasseling stage for fodder (T4), Fodder cum grain crop at 30 cm x 30 cm with removal of alternate rows at milking stage for fodder (T5), Fodder cum grain crop at 30 cm x 15 cm with removal of alternate rows at knee-high stage for fodder (T6), Fodder cum grain crop (30 cm x 15 cm) removal of alternate row at tasseling stage for fodder (T7), Fodder cum grain crop at 30 cm x 15 cm with removal of alternate rows at milking stage for fodder (T8) and two levels of fertilizer viz., F1: 100% of RDF and F2: 150% of RDF. Experimental findings revealed that the crop
management practices differed significantly with respect to growth, yield and yield attributing characters both grain and fodder maize. The highest grain and stover yield being 34.21 q/ha and 105.52 q/ha, respectively was produced from T1 which was at par with crop management practice T6, T7 and T8. However, green fodder yield (164.04 q/ha) and dry matter yield (35.31 q/ha) was found to be highest in crop management practice T2. Among the fertilizer levels F2: 150% of RDF recorded the highest green fodder yield (79.68 q/ha), dry matter yield (16.19 q/ha), grain yield (31.98 q/ha) and stover yield (95.93 q/ha) of dual purpose maize.
Key words: Maize, knee- heigh stage, tasseling stage, milking stage